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Twin-T Audio Oscillator - zpag.net
http://www.zpag.net/Electroniques/English/Oscillators/twint_audio_oscillator.htm
Twin-T Audio Oscillator. The purpose of this project is to study a twin-T type audio oscillator. Because of its stability, it is very popular for such things as electronic organs, electronic test equipment, etc. The frequency of the oscillations …
Art's Theremin Page: Twin-T Audio Sine Wave Oscillator
https://www.theremin.us/Circuit_Library/twin_t_oscillator.html
Twin-T Audio Sine Wave Oscillator. The circuit illustrated produces a clean sine wave signal ideal for audio testing, or wherever a good-quality sine voltage source is required. It uses one integrated circuit which is a widely …
Twin-T Oscillator Configuration - Circuit Cellar
https://circuitcellar.com/cc-blog/twin-t-oscillator-configuration/
Figure 1: The Twin-T oscillator’s circuitry. You may need to use different resistor values for R18, R19, and R20 to achieve a different maximum level. If you prefer to use 0 dBm (0.775 VRMS into 600 Ω) instead of 4 dBu, you should change R20 to about 5 kΩ to give R18 a range more closely centered on a 4.87 (2.19/0.45) gain.
US3569863A - Twin-t oscillator - Google Patents
https://patents.google.com/patent/US3569863A/en
A twin-T oscillator utilizing positive feedback in which the attenuation through the twin-T feedback network is reduced by unbalancing the components so as to provide a low impedance input side and a high impedance output side, thereby reducing the overgain requirements of the associated amplifier.
Twin-T Morse Code Practice Oscillator [K4ICY]
http://k4icy.com/weekend_radio_3tr-audio-amp.html
The “Twin-T” oscillator is a classic design. It produces a sign-wave audio signal with very little distortion by using a complementary pair of high-pass and low-pass RC filters - shown in the schematic by the two obvious ‘T’ configurations.
Simple Twin T oscillator | Consort3's Blog
https://consort3.wordpress.com/2014/02/25/simple-twin-t-oscillator/
That frequency is noted. Then the oscillator is tuned to that frequency. The alliterative Kenneth Kuhn (see Sallen and Key slope) also analysed the Hall network which is related to the twin T but is easier to tune. I wonder if the saturated transistor stabiliser rather than the lamp stabiliser would work in the oscillator he presents.
Twin T-oscillator - Ques10
https://www.ques10.com/p/7201/twin-t-oscillator/
Twin T-oscillator is an RC oscillator consists of Twin T-network and an op-amp. Twin-T circuit is also known as twin-t filter it is basically lead-lag network whose phase changes according to the frequency. It is parallel connection of lead-T network and lag T network.
MX T-Tone Code Practice Oscillator
https://mtechnologies.com/misc/ttone.htm
The T-Tone Code Practice Oscillator uses a "twin-T" oscillator circuit to provide a shaped sine-wave tone, which is much more pleasant to listen to than the 555 timer-based square wave oscillator typically found in CPOs.It is also much better for FM transmission, and will support high-speed keying with a paddle and electronic keyer. A "line out" signal at up to 600mVPP is …
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